“Characteristics of Liquid Organic Fertilizer from Vegetable Waste Fermented With Various EM4 Concentrations and Its Effects on the Growth of Green Spinach (Amaranthus Hybridus L.)”. AGARICUS: Advances Agriculture Science & Farming 6, no. 1 (June 25, 2026): 191–198. Accessed July 3, 2026. https://ejournal.unwaha.ac.id/agaricus/article/view/7405.